Internal-combustion engine.



G. GREEN; INTERNAL COMBUSTION ENGINE.

APPLICATION FILED 8BPT.15,1906.

Patented Aug. 10, 1909.

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APPLICATION FILED SEPT. 15, 1905.

Patented Aug. 10, 1909.

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UNITE STATES PA ENT ori ice.

GUSTAYUS GREEN, or BEXHILL, ENGLAND, ASSIGNOR or ONlE-FOURTH TO rumors PEL- HAM CLINTON HOPE AND. ONE-FOURTH TO 'JOSEPIii-IILLER, or BEXHILL, COUNTY or SUSSEX, ENGLAND.

INTERNAIi-COMB USTION ENGINE.

Specification of Letters Patent.

Application filed September 15, 1905. Serial No. 278,596.

To all whom it may concern-.-

Be it known that l, GUsrAvUs GREEN, en-

gineer, a subject of the King of Great Britlarly in motor road vehicles, motor boats and.

the like, and it has for its object a new construction of the engine designed to produce a compact and simplified whole, the principal improvements for this object being in the method of mounting the separate water jacket on the cylinder.

- -The invention is illustrated in the accompanying drawings in which-- Figure -1 illustrates in plan view a fourcylinder engine constructed in accordance with the invention. Fig. 2 shows to a larger scale a plan view of one of the cylinders and parts in connection therewith. Fig. 3 shows a'vertical section of the cylinder taken on. Fig. 4 is an e'nthe line AB of Fig. 2. larged view showing the upper-partsof one of the cylinders as seen from the side. Fig.

on the line C-D of Fig. 3. Figs. 6 and 7 are sectional elevation and plan respectively showing a modification.

Fig. 1 shows a plan of afour cylinder engine with the invention applied thereto,-and

the subsequent figures show in each case de-.

that each cylinder a is cast separately with-.

out a water jacket,the jackets 1 being fixed on the c linders. subsequently. These jack-' ets may e made from brass or other suitable metal with head lates r formedthereon or fixed thereto, an it will be seen that the use of the separate jackets makes it possible to turn up to" an accurate'thickness boththe tion.

holes 4 therein adjacent to the bosses. similar boss 5 is formed for screwing in the ,s arking plug, this boss being slightly lower 5' shows a sectional plan of the cylinder taken til .the cylinder head; the boss 5 1s seen in Fig. 5.

' cylinder walls and the jackets. All the surfaces inside the jackets over which the cooling water circulates -will thus be turnedsmooth so that thecooling water can always ilowfreely and with-a minimum of fluid fricopen at their lower endsand are slipped over rings 8 of india-rubber or like material held between collars t cast and turned on the cylinder. The valves to are mounted in cages or boxes '0 as shownin'Fig. 3, and their stems w which are operated by the heads of plungers d are' 'pressed upwardby springs a; working against collars 1 The-cages o are dropped into s6 ckets.'3"formed to receive them -in exhaust openings; these bosses are bored out and tapped internally and the cages have A an the others so that the plug comes into The cylinder is accurately turned up both inside and outside and the bosses 2 and 5 and.

the collars t are also turned at the same time to the exact curvature of the jacket r. This jacket is then sli Iped down over the cylinder from above an over the packing ring 8 which may be made slippery for the purpose by soap-suds,oil or the like. The acket T has holes to fit over the sockets 3 and the openings in the bosses 2 and 5. Ring nuts 6, screwing ontho tops of sockets 3, press down the head of the jacket onto the shoulders 7 around these sockets, this pressure being soi ficient to insure a water tight joint at these points. At the holes in the jacket over the osses 2 tigl1t-jointing isinsured by the following means. Washers 9 are provided shaped to .fit against the jacket walls and threaded pipe sections IOare passed through the Washers 9 and the jacket 1" and are screwed into the bosses 2... These pipe sections thus draw together the Washers, jacket and bosses forming a ti ht joint. The ends of the pipe sections are aced by the holes 4 in the cages Patented Aug. 10, 1909.

The jackets are fixed and fitted at the cylinder head as described below. They are 2 and hence said ripe sections give communication to the vva yes a. The inlet and exhaust pipes 11 are exactly similar in construction, each having sockets orb'ranches 12 'formed or fixed thereon to fit over the outwardly extending ends. of thepi e sections 10. The pipes. 11 are simply app ied one at each side of the engine as is seen inFig. 1. with their sockets 12 fitting over the pipe sections 10 and said pipes 11 are drawn together by one, two'or more tie rods 13 accordin r to circumstances, the size of the engine anc so forth. I One of the pi es 11 is of courseconneeted with the car ureter and supply of combustible mixture, while the other is connected with the-silencer-and exhaust opening. The uides e for the plungers d are I formed in t e'washers 9 as seen particularly 'in' Fig. 15. Made and arranged as described above all the valve operating plungers and parts giving communication with the valves are-interchangeable and therefore readily rex 'llaceable. The sparking plug 14 is screwed n through the boss 5. so that its inner end the fitting thereof similarly draws the jacket projects into the combustion space at the cyl ln'der head. The screwing up of plug 14 or 1' against the boss 5 at this point making a tight joint. 15- are communicating pipes leading from one jacket to another for the purpose of the Water circulation. The water is introduced from the usual cooling an d circulatin apparatus by the pipe 16 and 1s I I carried o through the pipes 17 back again to the coolin apparatus. The circulation of Water may e provided for in any desired way.

The engine above described embodies .all the principal features of this invention. It is to be understood, however, that the details of construction may be modified in many cases. For instance, all the arrange- .ments are applicable for an engine having one, two, three or any other number of cylmders as it will be evident that in the fourcylinder engine shown the mechanism is du- 'pligfatedfor each additional cylinder. Further, such details of construction as the rim nh'ts holding the jacket on thecylinder an holding the valves in place, the threaded pipe sections fitting in the bosses 2 and the joint at the bottom ofthe jacket 1 may be constructed in various ways withoutmaterially altering the construction of the engine or departing from the scope :of the invention. Figs; 6 and 7 for indicateanothcr combination of a cylinder, a water jacket of 'way'in which the joint at the biit toni otthe' jacket 1 may be formed. Therei's only one collar t in this case formed on the cylinder.

The packing rings is inserted from below and a ring nut 19'made in two parts fitted together by dove-tail joints 20is screwed up over the thread 18 cut on the cylinder below the collar t. The parts of the ring 19 must of course keep together when on the screw thread and they operate as a ring nut, c om- What I claim is :r

pressing the packing ring 8 and insuring" tight jointing against the jacket 1". 1'

1.. In an internal combustion engine {the I combination of a cylinder formed with valves and to form the valve )assages, a

water jacket of thin metal smoot 1 internally and adapted to be passed over the cylinder head to-fit over and against said osses, means for pressing the jacket againstsaid bosses with screw pressure, a )acking rin and means on the cylinder for olding-sai rin so that it will make a watertight .joint wit the smooth interior of the jacket in proximity .to the bottom thereof,allowin' the latter to move freely in a longitudina direction relatively to the cylinder.

2. In an internal combustion'engine, the

bosses at the top and sides to receive the 7'5 thin metal smooth internally, said jacket and cylinder so formed that the jacket can be assed over the cylinder from the top, means or making a-watertight joint between the top of the cylinder and the jacket,- said means comprism screw comprcsslon members and faces formed on the cylinder between which the top part of the'jacket is compressed, a packing ring, a collar on the GUSTAVUS GREEN.

VVitnesses HUBERT A. GILL, LEON HAYNES. 

